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Finding the Fourth Proportional to 675,873.90, 932,692.05 and 369,942.84

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Solution

The fourth proportional to 675,873.90, 932,692.05 and 369,942.84 is: 510,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,873.90 : 932,692.05 = 369,942.84 : x
  2. Step 2: Convert to fraction form
    675,873.90/932,692.05 = 369,942.84/x
  3. Step 3: Cross multiply
    675,873.90x = 932,692.05 × 369,942.84
  4. Step 4: Simplify right side
    675,873.90x = 345,042,745,822.42
  5. Step 5: Solve for x
    x = 345,042,745,822.42/675,873.90
  6. Step 6: Final answer
    x = 510,513.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.